package com.itheima.dao;

import com.itheima.pojo.Member;

public interface MemberDao {
    //根据手机号查询用户信息
    Member findByTelephone(String telephone);
    //添加会员信息
    void add(Member member);
    //根据日期查询会员数量
    Integer findMemberCountBeforeDate(String date);

    Integer findMemberCountByDate(String today);

    Integer findMemberTotalCount();

    Integer findMemberCountAfterDate(String thisWeekMonday);

}
